[Bug dynamic-link/12561] ld.so: dlclose() can remove required local scope elements of NODELETE linkmaps

["matz at suse dot de" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12561

Michael Matz <matz at suse dot de> changed:

           What    |Removed                     |Added
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                 CC|                            |matz at suse dot de

--- Comment #6 from Michael Matz <matz at suse dot de> 2012-10-25 14:07:57 UTC ---
I really can't make up my mind right now if Andreas' patch is a fix for this
issue, or just hides it.  The testcase here needed NODELETE libraries to force
some deps to stay around.  Andreas' patch has this in it:

+       * elf/dl-close.c (_dl_close_worker): Reset private search list if
+       it wasn't used.
...
+         else if (new_list != NULL)
+           {
+             /* We didn't change the scope array, so reset the search
+                list.  */
+             imap->l_searchlist.r_list = NULL;
+             imap->l_searchlist.r_nlist = 0;

So, what happens if we _do_ have changed the scope array, or used the 
private search list?  In other words, could the testcase from this report
be extended to make this happen and retrigger the bug, or is it fixed for
good?

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